* {
  margin: 0px;
  padding: 0px;
  background-color: whitesmoke;
}
.mainbox {
  width: 60%;
  height: 438px;
cursor: pointer;
  margin: 40px auto;
  border: 2px solid #666;
  padding-top: 100px;

  span {
    display: block;
    width: 60%;
    height: 180px;
    background-color: lightseagreen;
    margin: 0 auto;
    font-size: 136px;
    text-align: center;
    font-weight: 400;
    color: #fff;
  }
  .return {
    width: 400px;
    height: px;
    margin: 0 auto;
    padding-top: 100px;
    padding-left: 260px;
    button {
      width: 112px;
      height: 42px;
      background-color: rgba(214, 34, 46, 0.5);
      outline: none;
      color: white;
      letter-spacing: 1px;
      font-size: 15px;
      font-weight: 200px;
      border-radius: 2px;
      display: block;
      line-height: 42px;   
      border: none;
      font-weight: 200;
    }
  }
}
